I-asphalt ekhiqizwa yizitshalo zokuxuba ama-asphalt ihlukaniswe ngezinhlobo ezintathu, okungukuthi okungukuthi amalahle e-asphalt asphalt, asphalt kanye nemvelo asphalt.

I-COAL TOAR Asphalt ingumkhiqizo we-coking, okungukuthi, into emnyama eshiywe ngemuva kokuhlotshiswa kwe-tar. Umehluko phakathi kwale nto futhi u-tar ocwengekile usezakhiweni ezibonakalayo kuphela, futhi akukho mngcele osobala kwezinye izici. I-COAL TOAR Asphalt iqukethe izinto ezifana ne-phenanthrene ne-pyrene okunzima ukuzifaka. Lezi zinto zinobuthi. Ngoba okuqukethwe kwalezi zithako kuhlukile, izakhiwo ze-asphalt yamalahle amalahle nazo zizohluka. Ngaphezu kwalokho, abakhiqizi bezitshalo ze-asphalt yokuxuba batshela abasebenzisi ukuthi izinguquko zokushisa zinomthelela omkhulu e-asphalt yamalahle amalahle. Le nto ingenabusika ngokwengeziwe ebusika futhi kube lula ukuthambisa ehlobo.
Asphalt asphalt abhekisele ezinsalweni ngemuva kokuhlomula kawoyela ongahluziwe. Ngokuvamile, ngokuya ngezinga lokucwengwa, asphalt e-petroleum kuzoba esitsheni, esiqinile noma esiqinile noma isimo esiqinile ekushiseni kwegumbi. I-asphalt yemvelo igcinwa ngaphansi komhlaba, futhi abanye bangase futhi bakha izingqimba zamaminerali noma baqongelele ebusweni bokugcwala koMhlaba. I-asphalt yemvelo imvamisa ayinazinto ezinobuthi ngoba ngokwemvelo ihanjiswa futhi i-oxidized.